/*
    This file is part of the substandard lisp implementation of Standard Lisp
    Copyright (C) 2011 Nicky Nickell

    substandard lisp is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

(de nconc (u v)
  (prog (w)
    (cond ((null u) (return v)))
    (setq w u)
    (prog NIL
top   (cond ((null (cdr w)) (return NIL)))
      (setq w (cdr w))
      (go top))
    (rplacd w v)
    (return u)))

/*---
name: nconc

doc: |
  explaining what nconc is / how it is used!

tests: |

...*/
